<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <div  @click="clickFun">{{ name }}</div>
        <div>1111</div>
    </div>
    <script src="https://unpkg.com/vue@next"></script>
    <script>
       const app = Vue.createApp({
           data: ()=>{
               return {
                   name: 'ysg'
               }
           }, 
           methods: {
            clickFun(){
                this.name = 'tgm'
                console.log(123)
            }
           }
       })
       app.config.cacheHandlers = true
       app.mount('#app')

    </script>
</body>
</html>